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Tetrix (not NXT) motor sync

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Tetrix (not NXT) motor sync

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dgbatths Rookie Joined: Mon Nov 03, 2008 1:45 pm Posts: 14	Tetrix (not NXT) motor sync How do you synchronize two tetrix DC motors to run at the same rate? I see examples for the NXT motors (using the nSyncedMotors variable). I also see examples for tracking the encoder count of a tetrix DC motor. And I see examples for running tetrix motors at the same "speed" as opposed to "power". But I don't see any way to set up master and slave tetrix motors. _________________ David Burnette Tigard High School Robotics
Thu Feb 11, 2010 3:55 pm

tfriez Site Admin Joined: Wed Jan 24, 2007 10:42 am Posts: 537	Re: Tetrix (not NXT) motor sync There is no Sync capability with TETRIX motors. They didn't build the functionality into the TETRIX motor controller. The I2C link is too slow to run a software sync, so the best thing you can do is compare encoder counts and adjust speed that way. _________________ Timothy Friez ROBOTC Developer - SW Engineer tfriez@robotc.net
Fri Feb 12, 2010 4:31 pm

dgbatths Rookie Joined: Mon Nov 03, 2008 1:45 pm Posts: 14	Re: Tetrix (not NXT) motor sync Would setting both motors to Speed mode (vs Power mode) with: mtrPIDSpeedCtrl[leftMotor] = mtrSpeedReg would it go straight with the same value sent to the motors? _________________ David Burnette Tigard High School Robotics
Fri Feb 12, 2010 8:25 pm
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